package com.dao;


import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import com.vo.Student;
import org.apache.ibatis.annotations.Mapper;

import java.util.List;

@Mapper
public interface IStudentDao extends BaseMapper<Student> { // 定义DAO接口
    public List<Student> findAll(); // 查询全部，这个方法一定要存在有映射实现
    Object getStudentnumber(String studentnumber);
    boolean deleteStudentnumber(String studentnumber);

}
